Beverly Cleary - 104
Beverley Cleary is one of the most widely-read authors of young fiction in America. Her writing career has known great successes, as she wrote many books and created characters that are well-loved by children everywhere. Cleary is a recipient of the National Book Award and a Newbery Medal, and she was worth about $20 million. Cleary passed away in 2021 at the ripe ol' age of 104!